John Klein

Toronto Blue Jays

RP · #65 · Bats R · Throws R · 6'5" · 225 lb · Age 24 · 1 yr in MLB

2026 grade

23.4

Runs prevented: −0.7
IP · ERA: 8.1 · 2.16
K · BB: 7 · 6
Rank: Not qualified

What the grade is made of

Runs each part saves or costs against an average pitcher facing the same batters. Contact counts a quarter for how it turned out, because over a season that's mostly the fielders and luck.

Walks6 vs 3 avg−1.0
Strikeouts7 vs 8 avg−0.2
Contact allowed (how it turned out counts a quarter)21 vs 23 avg+0.2
Hit batters0 vs 0 avg+0.1
Home runs allowed1 vs 1 avg+0.1

2026 game log: pitching

Game grades need 3 batters faced; starts are ranked against starts, relief outings against relief outings.

Game	Result	Dec	IP	H	R	ER	BB	K	HR	PC	Grade
Sat, Sep 26vsCIN	L 1-5		4.0	2	2	0	2	5	0	66	90.9
Sat, May 30@PIT	L 9-10		2.0	1	0	0	3	1	0	39	47.0
Thu, May 7@WSH	L 5-7	L	1.1	2	2	2	1	1	1	31	5.6
Sat, May 2vsTOR	L 4-11		1.0	0	0	0	0	0	0	12	88.5

Scores, box scores and play-by-play from ESPN. The run values and park factors behind the grades were worked out from Retrosheet's play-by-play: the information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at www.retrosheet.org.